Home / 10,764.31-16,146.77-2,973.12

Finding the Fourth Proportional to 10,764.31, 16,146.77 and 2,973.12

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Solution

The fourth proportional to 10,764.31, 16,146.77 and 2,973.12 is: 4,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,764.31 : 16,146.77 = 2,973.12 : x
  2. Step 2: Convert to fraction form
    10,764.31/16,146.77 = 2,973.12/x
  3. Step 3: Cross multiply
    10,764.31x = 16,146.77 × 2,973.12
  4. Step 4: Simplify right side
    10,764.31x = 48,006,269.96
  5. Step 5: Solve for x
    x = 48,006,269.96/10,764.31
  6. Step 6: Final answer
    x = 4,459.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.